Rosenstiel School of Marine and Atmospheric Science, Bulletin of Marine Science, 2(90), p. 741-744
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The occurrence of the Indo-Pacific reef fish Heniochus acuminatus (Linnaeus, 1758) is confirmed for the southwestern Atlantic. A single adult individual was photographed in a marine reserve off the southeastern coast of Brazil. Two hypotheses explaining the species occurrence are discussed: an aquarium release on the Brazilian coast, and a long-distance dispersal from the Indian Ocean into the Atlantic via South Africa.